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A facile one step synthesis of 1,6 ‐dihydro‐7 H ‐pyrazolo[4,3‐ d ]‐pyrimidin‐7‐ones
Author(s) -
Reddy Nalla Ram,
Reddy Ghanta Mahesh,
Reddy Battu Saida,
Reddy Padi Pratap
Publication year - 2005
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570420502
Subject(s) - chemistry , alkyl , bridging (networking) , combinatorial chemistry , amino acid , stereochemistry , organic chemistry , biochemistry , computer network , computer science
A general synthetic approach to pyrazolo[4,3‐ d ]pyrimidines is reported. Aldehydes, arylideneanilines, carboxylic acids and orthoesters are used as one‐carbon units for bridging the two amino functions of 4‐amino‐1‐alkyl‐3‐propylpyrazole‐5‐carboxamides.